20983830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{99923}}^1$

素因数の和:99940

約数の個数: 32

約数和(自身を含む): 57556224

約数和(自身を除く): 36572394

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 99923, 199846, 299769, 499615, 599538, 699461, 999230, 1398922, 1498845, 2098383, 2997690, 3497305, 4196766, 6994610, 10491915, 20983830]

約数ペア:

[(1, 20983830), (2, 10491915), (3, 6994610), (5, 4196766), (6, 3497305), (7, 2997690), (10, 2098383), (14, 1498845), (15, 1398922), (21, 999230), (30, 699461), (35, 599538), (42, 499615), (70, 299769), (105, 199846), (210, 99923)]